Finding the Fourth Proportional to 1,853,415.38, 2,557,592.79 and 1,037,612.54
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Solution
The fourth proportional to 1,853,415.38, 2,557,592.79 and 1,037,612.54 is: 1,431,837.88
Step by Step Solution
- Step 1: Write the proportion equation
1,853,415.38 : 2,557,592.79 = 1,037,612.54 : x - Step 2: Convert to fraction form
1,853,415.38/2,557,592.79 = 1,037,612.54/x - Step 3: Cross multiply
1,853,415.38x = 2,557,592.79 × 1,037,612.54 - Step 4: Simplify right side
1,853,415.38x = 2,653,790,351,117.59 - Step 5: Solve for x
x = 2,653,790,351,117.59/1,853,415.38 - Step 6: Final answer
x = 1,431,837.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.